| 摘要 |
PROBLEM TO BE SOLVED: To simply discover the leak place of hydrogen gases from a plurality of areas with high precision. SOLUTION: The hydrogen gas detection sensor is changed in electric resistance upon the detection of the hydrogen gas, and has: the common electrode 2 formed to the long side part in the longitudinal direction of the end part of a strip like insulating base material surface; a sensor cell 3 connected to the common electrode 2 at its one end and composed of detection films, each of which has a predetermined small region, linearly arranged at a predetermined interval; and a the detection electrode 4 which forms a pair along with the common electrode 2 and is formed to the other end part of the sensor cell 3. The detection position of the hydrogen gas is calculated on the basis of the position of the sensor cell 3 which applies bias voltage to the common electrode 2, and detects a change in the resistance value between the common electrode 2 and the detection electrode 4 of the sensor cell 3 to detect the change of the resistance value. COPYRIGHT: (C)2008,JPO&INPIT
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